This is Momi, Laiki, Kahelelani & Tahitian pearl necklace design in pikake style. This necklace made of  Momi lenalena, Onikiniki Laiki and dark burgundy Kahelelani shells with Tahitian pearl centerpiece. The Momi shells have ok luster.   

Origin of shells: Kauai

Lei measures: 21 3/4 inches (end to end)

Clasp: Snakehead cowrie shells

Pearl size: 12.63 mm